<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title>css 盒模型</title>
		<link rel="stylesheet" type="text/css" href="studyHtml/css/css-box1.css"/>
		<link rel="stylesheet" type="text/css" href="studyHtml/css/css-box2.css"/>
	</head>

	<body>
		<!--margin-->
		<div class="box">
			<div class="box-1">
				padding测试
			</div>
		</div>

	</body>

</html>